If you are in a car and your sibling is driving in the same car next to you at the same speed, does your brother appear to be moving?

Answer:

C. Newton

Explanation:

hope this helped:)

Answer:

it is being accountable basically like some one can relive and trust that you'll do what you say your going to do

1. Five major external forces that affect organizations are economic, social, cultural, demographic, and technological. Economic factors such as inflation and interest rates can impact a company's profitability and purchasing power. Social factors like changing consumer preferences and lifestyles can influence demand for products and services.

Cultural factors like values and beliefs can shape consumer behavior and market trends. Demographic factors such as population size and age distribution can affect target markets.

Technological factors like advancements in automation or digitalization can disrupt industries and create new opportunities. These external forces shape the business environment and organizations must monitor and adapt to them to stay competitive.

2. Gathering competitive intelligence is crucial for businesses because it provides valuable insights about their competitors' strategies, strengths, weaknesses, and market position.

By understanding the competitive landscape, businesses can identify opportunities and threats, make informed decisions, and develop effective strategies.

Competitive intelligence helps businesses stay ahead of their competitors, anticipate market trends, identify emerging technologies, and improve their own products or services. It allows businesses to benchmark their performance, evaluate their competitive advantage, and identify areas for improvement.

Ultimately, gathering competitive intelligence empowers businesses to make proactive and strategic decisions that can lead to sustainable growth and competitive advantage.

3. In business, various economic variables need to be monitored as they have significant impacts on strategy applications. Some important economic variables include GDP (Gross Domestic Product), inflation rate, exchange rates, interest rates, consumer spending, unemployment rate, and industry-specific factors like raw material prices or energy costs.

Monitoring these variables helps businesses understand the overall economic conditions, identify market opportunities, and assess potential risks. For example, a high inflation rate may impact pricing strategies, while a favorable exchange rate can benefit export-oriented businesses.

By monitoring economic variables, businesses can adapt their strategies accordingly and make informed decisions to navigate the dynamic business environment.

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it's a. open circuit

Answer:

A) Open

Explanation:

The maximum height travelled by the ball before returning to the ground is 8.62 m.

The maximum height travelled by the ball before returning to the ground is calculated by applying the following kinematic equation as shown below.

H = (u²sin²θ) / 2g

where;

H = (26² (sin 30)²) / (2 x 9.8)

H = 8.62 m

Thus, the maximum height travelled by a projectile depends on the initial velocity and angle of projection.

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Answer:

a

Explanation:

Answer:

30m/s²

Explanation:

The acceleration of the motorcycle in section CD is the slope of the velocity - time graph.

Given that;

Initial velocity  = 20m/s   Time  = 6s

Final velocity  = 50m/s   Time  = 7s

 The time interval = 7s  - 6s  = 1s

So;

 Acceleration  = \(\frac{Change in velocity }{time}\)   = \(\frac{50 - 20}{1}\)    = 30m/s²

Answer:

/

Explanation:

Answer:

It could not be opened, sorry.

I agree with Katelyn's statement

Netwon's first law of motion states that an object will remain at rest or in uniform motion except acted upon by an external (unbalanced) force.

When balanced forces are acting on an object in motion, the object maintains its speed and direction.

This means that balanced forces do not change the speed and direction of an object in motion. We can say that the object is in equilibrium. It either remains at rest or in uniform motion.

Therefore, I agree with Katelyn's statement

import numpy as np:

random_vector = np.random.rand(15)

modified_vector = np.where(random_vector == np.max(random_vector), -1, random_vector)

print("Original Array:", random_vector)

print("Modified Array:", modified_vector)

A NumPy program that creates a random vector of size 15, replaces the maximum value with -1, and prints both the original array and the modified array:

```python

import numpy as np

# Create a random vector of size 15

random_vector = np.random.rand(15)

# Find the maximum value in the vector

max_value = np.max(random_vector)

# Replace the maximum value with -1

modified_vector = np.where(random_vector == max_value, -1, random_vector)

# Print the original and modified arrays

print("Original Array:")

print(random_vector)

print("\nModified Array:")

print(modified_vector)

```

When you run this program, it will generate a random vector of size 15 and display the original array. Then, it will replace the maximum value in the array with -1 and display the modified array.

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Answer:

current must flow and chemical energy must take place

The amount of energy required to move a 1250 kg object from the Earth's surface to an altitude twice the Earth's radius is approximately 10.2 x \(10^9\) joules.

The formula for gravitational potential energy is:

U = mgh

The height above the Earth's surface is therefore:

h = 12,742 km - 6,371 km = 6,371 km

Next, we need to calculate the acceleration due to gravity at this height. The acceleration due to gravity decreases with distance from the Earth's surface, so we need to use the formula:

g = G*M/r²

At a height of 6,371 km, the distance from the center of the Earth is:

r = 6,371 km + 6,371 km = 12,742 km

The mass of the Earth is approximately 5.97 x \(10^{24\) kg, and the gravitational constant is approximately 6.67 x \(10^{-11\)N*(m/kg)². Plugging these values into the formula gives:

g = (6.67 x \(10^{-11\) N*(m/kg)²)*(5.97 x \(10^{24\) kg)/(12,742 km)²

= 1.31 m/s²

Finally, we can plug in the values of m, g, and h into the formula for gravitational potential energy:

U = mgh

= (1250 kg)(1.31 m/s²)(6,371 km * 1000)

= 10.2 x \(10^9\) J

Potential energy is a type of energy that an object possesses by virtue of its position or configuration relative to other objects in its surroundings. It is the energy that is stored within an object, and it can be released to perform work when the object undergoes a change in position or configuration.

There are several types of potential energy, including gravitational potential energy, elastic potential energy, and electric potential energy. Gravitational potential energy is the energy that an object possesses by virtue of its position in a gravitational field. Elastic potential energy is the energy that is stored in a stretched or compressed spring or other elastic material. Electric potential energy is the energy that is stored in an electrically charged object.

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A halo around the sun or moon is often an indication that cirrostratus clouds are present.

Cirrostratus clouds are high-level clouds that form above 20,000 feet (6,000 meters). They are composed of ice crystals and have a thin, often transparent appearance. When these clouds are present, they can create a halo effect around the sun or moon.

The halo is formed when light from the sun or moon is refracted, or bent, as it passes through the ice crystals in the cirrostratus clouds. This refraction causes the light to spread out and create a ring or halo-like appearance around the sun or moon.

The presence of a halo is often an indication of thin, high-level cloud cover, typically preceding an approaching warm front or an area of moisture. It can also be a sign of changing weather conditions.

It is worth noting that halos can also be formed by other cloud types, such as altostratus or thin, wispy cirrus clouds, depending on the specific atmospheric conditions.

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Answer:

Yes becuase the circuit is fryed like sum french fries so yes yes is the yes option yes okay, yes but no

Explanation:

If you were to insert additional resistors in series, the equivalent resistance increases. The correct option is c.

The resistances when connected in series has the equivalent resistance equal to the sum of all the individual resistances.

In the series circuit, the equivalent resistance is

Req= R₁ + R₂ + R₃

Suppose you had an electrical circuit and decided to change it into a new circuit.

The current through the circuit is the same for each resistor in a series circuit and is equal to the applied voltage divided by the equivalent resistance.

Yes, the equivalent resistance of the new circuit compare to the old one.

If you were to insert additional resistors in series, the equivalent resistance increases.

Thus, the correct option is c.

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Answer:

6Newton meter is the answer.

Explanation:

Mass=m=3kg

Velocity=v=2m/s

Kinetic energy =K.E.=?

As we know that

K.E.=1/2mv^2

Putting the values

K.E.=1/2✖️3kg✖️(2m/s)^2

K.E.=1/2✖️3kg✖️4m^2/s^2

K.E=1/2✖️12Nm

K.E.=6Nm is your answer

Hope it will help you :)

The kinetic energy of a 3-kilogram ball that is rolling at 2 meters per second is E = 6 joules.

To find the Kinetic Energy, the given details are

Mass of the ball, m = 3 kg

Speed of the bag, v = 2 m/s

The energy that is possessed due to the motion of an object is called the kinetic energy of the ball.

Its formula is given by :

E = 1/2 mv²

E = \(\frac{1}{2}\) (3)(2)²

E = 6 joules

So, the kinetic energy of the ball is 6 joules. Hence, this is the required solution.

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Answer:

18 m/s

Explanation:

Given that,

Speed of river is 8 m/s due South

From the shore, you see a boat moving South with a speed of 10 m/s. Both boat and river are moving in same direction. The resultant velocity will add up.

v = 10 m/s + 8 m/s

v = 18 m/s

Hence, the rowers are moving with a speed of 18 m/s.

Nuclear stability is determined by two key factors: the number of protons and the presence of neutrons. A nucleus is stable if it has an equal number of protons and neutrons.

This is because protons are positively charged and they repel each other, leading to an instability in the nucleus. Neutrons act as a buffer, helping to hold protons together so they don’t fly apart. The presence of the neutrons creates a balance that keeps the protons close together, which is essential for a stable nucleus.

Too many protons and not enough neutrons creates an instability, and makes the nucleus prone to decaying or releasing energy. In addition, the number of protons influences the nuclear stability because it affects the strength of the repelling forces between them. If there are too many protons, the repelling forces are too strong and the nucleus is unstable.

Nuclear stability is ultimately determined by the number of protons and the presence of neutrons in the nucleus. A balance between the two enables the nucleus to remain in a stable state, resisting any change and decay.

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The particles in Figure 22.46 exhibit signs of both positive and negative charges.

In Figure 22.46, the presence of both positive and negative charges can be inferred based on the observed behavior of the particles. The interaction between charged particles can be explained through the principles of electrostatics. When two particles carry the same type of charge, they repel each other, while particles with opposite charges attract each other.

By observing the behavior of the particles in Figure 22.46, we can identify the signs of their charges. For instance, if two particles move away from each other or repel each other, it indicates that they possess the same charge. This behavior is characteristic of particles with either positive or negative charges.

Conversely, if two particles move closer together or attract each other, it suggests that they possess opposite charges. This behavior is indicative of particles with opposing charges, where one carries a positive charge and the other carries a negative charge.

It's important to note that the exact nature of the charges cannot be determined solely based on the behavior of the particles in Figure 22.46. Further information or experimental data would be required to ascertain whether the charges are positive or negative. Nevertheless, the observed repulsion and attraction between the particles provide clear indications of the presence of both positive and negative charges.

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Answer: It floats.

Explanation:

The work done by force f on the proton is \(- 6.912 x 10^-34 J\).

The work done by force (f with arrow) when a proton moves along the straight-line path from the point (0.10 m, 0) to the point (0.10 m, 0.3 m) is given by:Work = Change in potential energy of the protonThis is because the force is conservative (i.e., it doesn't depend on the path taken by the proton).We know that the proton moves only along the vertical direction, therefore, its displacement is:∆x = 0and

∆y = 0.3 mThe potential energy of a proton is given by:

Potential energy = - q * V where

q = charge of proton (\(1.6 x 10^-19\) C)

V = potential difference between two points at which proton movesThe potential difference between the two points is given as follows:V = VB - VAwhere

VB = potential at point (0.10 m, 0.3 m)VA

= potential at point (0.10 m, 0)We can take

VA = 0 since we are considering it as reference level of potential energy.

The potential at point (0.10 m, 0.3 m) can be calculated as follows:We know that the electric field due to a point charge is given by:E = \(k * q / r^2\) where

k = Coulomb's constant (\(9 x 10^9 N.m^2.C^-2\))

q = charge of point charger

r = distance between point charge and point of interestThus, the electric field at point (0.10 m, 0.3 m) due to the charge is: E = \(k * q / r^2\) where

q = proton charge (\(1.6 x 10^-19\) C)

r = distance between proton and charge

= 0.1 mThus,

E = (\(9 x 10^9\)) * \((1.6 x 10^-19) / (0.1^2)\)

= \(1.44 x 10^-14\) N/CThe potential at point (0.10 m, 0.3 m) due to the charge is:

V = Edwhere

Ed = distance moved by proton

= ∆y

= 0.3 mThus,
\(V = 1.44 x 10^-14 * 0.3\)

= \(4.32 x 10^-15\) VTherefore, the potential difference between the two points is:

V = VB - VA

= \(4.32 x 10^-15 - 0\)

= 4.32 x 10^-15 JThus, the work done by force f on the proton is:

Work = Change in potential energy of the proton

= - q * (VB - VA)

\(= - (1.6 x 10^-19) * (4.32 x 10^-15)\)

\(= - 6.912 x 10^-34 J\).

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a) The moment of inertia of the wheel can be calculated using the formula:  The torque equation is expressed as:

The angular acceleration of the wheel can be calculated by substituting the values in the above equation as

b) The tangential acceleration of a point on the outer edge of the tire can be calculated using the formula:  

a) The moment of inertia of the wheel can be calculated using the formula:  

where M is the mass of the wheel and r is the radius of the wheel.

The mass of the wheel is given as 12.0 kg and the inner and outer radii of the annular ring are given as 0.280 m and 0.330 m respectively.

Therefore, the moment of inertia of the wheel is given by:  I = (1/2)(12.0 kg)(0.330 m)² + (1/2)(12.0 kg)(0.280 m)² = 0.9384 kg·m²

The torque equation is expressed as:  

where T is the torque and r is the radius at which the torque is applied. The torque is given as 2200 N and the radius is given as 5.00 cm, which is equal to 0.050 m. Therefore, the torque is:  T = 2200 N × 0.050 m = 110 N·m

The angular acceleration of the wheel can be calculated by substituting the values in the above equation as:  

α = T / I = (110 N·m) / (0.9384 kg·m²) = 117.1 rad/s²

Therefore, the angular acceleration of the wheel is 117.1 rad/s².b) The tangential acceleration of a point on the outer edge of the tire can be calculated using the formula:  where r is the radius of the wheel and α is the angular acceleration of the wheel. The radius of the outer edge of the tire is given as 0.330 m.

Therefore, the tangential acceleration of a point on the outer edge of the tire is:  a = rα = (0.330 m)(117.1 rad/s²) = 38.6 m/s²

Therefore, the tangential acceleration of a point on the outer edge of the tire is 38.6 m/s².

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The energy efficiency of the mixer is 70%.

The Sankey diagram shows the amount of energy absorbed, the amount of useful energy, and the amount of non-useful energy.

The efficiency of a device

η = (U/I) × 100%

I = U + W

100% = U + 30%

U = 100% - 30%

U = 70%

The efficiency of the mixer

η = (U/I) × 100%

η = (70%/100%) × 100%

η = (7/10) × 100%

η = 70%

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Answer:

.5(3120kg)(22.1m/s)^2 = 7.62x10^5 J

Explanation:

The work done on the truck to achieve given speed is \(7.62*10^{6}\) Joules.

The work done on the truck is equivalent to the kinetic energy.

   Work done = Kinetic energy = \(\frac{1}{2} mv^{2}\)

Where m is mass of truck and v is final velocity of truck.

Given that, \(m=3120Kg,v=22.1m/s\)

Substitute values in above equation

                 \(Workdone=\frac{1}{2}*3120*(22.1)^{2} \\\\Workdone=0.5*3120*488.41=7.62*10^{6} KJ\)

Thus,  The work done on the truck to achieve given speed is \(7.62*10^{6}\) Joules.

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It takes the Boeing 777 approximately 35.4 seconds to lift off and become airborne.

To solve this problem, we can use the equation of motion:
d = v_initial * t + 0.5 * a * t^2
Where d is the distance (1600 m), v_initial is the initial velocity (7.5 m/s), a is the acceleration (1.6 m/s^2), and t is the time we want to find.

We can rearrange the equation to solve for t:
t = (-v_initial + sqrt(v_initial^2 + 2 * a * d)) / a
Plugging in the values:
t = (-7.5 + sqrt(7.5^2 + 2 * 1.6 * 1600)) / 1.6 ≈ 35.4 seconds

Summary: With a constant acceleration of 1.6 m/s^2 and an initial velocity of 7.5 m/s, the Boeing 777 takes about 35.4 seconds to travel 1600 meters down the runway and become airborne.

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The statement describes the change in the speed of the wave is d. The speed decreases by 25% because speed and wavelength are directly proportional.

Since the speed of the wave v = fλ where f = frequency of wave and λ = wavelength

Since f is constant for the wave, v ∝ λ.

So, if the wavelength decreases by 25%, the speed also decreases by 25% since the speed is directly proportional to the wavelength.

So, The statement describes the change in the speed of the wave is d. The speed decreases by 25% because speed and wavelength are directly proportional.

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Answer:

False

True

False

True

False

True

Explanation:

Answer:

about 343 metres per second

The buoyant pressure is the upward force a fluid exerts on an item. Archimedes' precept is the fact that buoyant force is identical to the weight of the displaced fluid.

Buoyancy is a physical phenomenon that describes the upward force this is exerted on an item submerged in a fluid, inclusive of water or air. This pressure is a result of the pressure differences between the top and backside of an item in a fluid, and it is referred to as buoyant pressure.

The study of buoyancy is important in various fields, including naval architecture, oceanography, and engineering. For example, understanding buoyancy is crucial for designing ships and submarines that can float and maintain stability in water, as well as for developing buoyancy systems for offshore oil and gas drilling. Buoyancy also plays a key role in meteorology, as it affects the movement of air masses and the formation of clouds and precipitation.

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Water has a stronger force of attraction between its particles than methane.

To justify this we have to remember that temperature is a measure of the kinetic energy of the particles (atoms and molecules) in a given system. As temperature increase the kinetic energy increases as well; now larger molecules will have more electron and nucleis that attract with each other, then they will need more kinetic energy (temperature) to boil.